Jesper Dangaard Brouer | 282fb58 | 2015-05-21 12:17:48 +0200 | [diff] [blame] | 1 | #!/bin/bash |
Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 2 | # SPDX-License-Identifier: GPL-2.0 |
Jesper Dangaard Brouer | 282fb58 | 2015-05-21 12:17:48 +0200 | [diff] [blame] | 3 | # |
| 4 | # Multiqueue: Using pktgen threads for sending on multiple CPUs |
| 5 | # * adding devices to kernel threads |
| 6 | # * notice the naming scheme for keeping device names unique |
| 7 | # * nameing scheme: dev@thread_number |
| 8 | # * flow variation via random UDP source port |
| 9 | # |
| 10 | basedir=`dirname $0` |
| 11 | source ${basedir}/functions.sh |
| 12 | root_check_run_with_sudo "$@" |
| 13 | # |
| 14 | # Required param: -i dev in $DEV |
| 15 | source ${basedir}/parameters.sh |
| 16 | |
Tariq Toukan | 69137ea | 2017-06-15 19:07:21 +0300 | [diff] [blame] | 17 | [ -z "$COUNT" ] && COUNT="100000" # Zero means indefinitely |
| 18 | |
Jesper Dangaard Brouer | 282fb58 | 2015-05-21 12:17:48 +0200 | [diff] [blame] | 19 | # Base Config |
Jesper Dangaard Brouer | 282fb58 | 2015-05-21 12:17:48 +0200 | [diff] [blame] | 20 | [ -z "$CLONE_SKB" ] && CLONE_SKB="0" |
| 21 | |
| 22 | # Flow variation random source port between min and max |
Daniel T. Lee | 723d290 | 2019-10-05 17:25:06 +0900 | [diff] [blame] | 23 | UDP_SRC_MIN=9 |
| 24 | UDP_SRC_MAX=109 |
Jesper Dangaard Brouer | 282fb58 | 2015-05-21 12:17:48 +0200 | [diff] [blame] | 25 | |
| 26 | # (example of setting default params in your script) |
Martin KaFai Lau | 0f06a67 | 2016-07-20 15:48:43 -0700 | [diff] [blame] | 27 | if [ -z "$DEST_IP" ]; then |
| 28 | [ -z "$IP6" ] && DEST_IP="198.18.0.42" || DEST_IP="FD00::1" |
| 29 | fi |
Jesper Dangaard Brouer | 282fb58 | 2015-05-21 12:17:48 +0200 | [diff] [blame] | 30 | [ -z "$DST_MAC" ] && DST_MAC="90:e2:ba:ff:ff:ff" |
Daniel T. Lee | 40f843e | 2019-10-05 17:25:09 +0900 | [diff] [blame] | 31 | if [ -n "$DEST_IP" ]; then |
| 32 | validate_addr${IP6} $DEST_IP |
| 33 | read -r DST_MIN DST_MAX <<< $(parse_addr${IP6} $DEST_IP) |
| 34 | fi |
Daniel T. Lee | 6e32a74 | 2019-06-29 22:33:58 +0900 | [diff] [blame] | 35 | if [ -n "$DST_PORT" ]; then |
Daniel T. Lee | 723d290 | 2019-10-05 17:25:06 +0900 | [diff] [blame] | 36 | read -r UDP_DST_MIN UDP_DST_MAX <<< $(parse_ports $DST_PORT) |
| 37 | validate_ports $UDP_DST_MIN $UDP_DST_MAX |
Daniel T. Lee | 6e32a74 | 2019-06-29 22:33:58 +0900 | [diff] [blame] | 38 | fi |
Jesper Dangaard Brouer | 282fb58 | 2015-05-21 12:17:48 +0200 | [diff] [blame] | 39 | |
| 40 | # General cleanup everything since last run |
Igor Russkikh | c8fd485 | 2021-03-11 11:32:53 +0100 | [diff] [blame] | 41 | [ -z "$APPEND" ] && pg_ctrl "reset" |
Jesper Dangaard Brouer | 282fb58 | 2015-05-21 12:17:48 +0200 | [diff] [blame] | 42 | |
| 43 | # Threads are specified with parameter -t value in $THREADS |
Tariq Toukan | e0e1667 | 2017-06-15 19:07:22 +0300 | [diff] [blame] | 44 | for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do |
Jesper Dangaard Brouer | 282fb58 | 2015-05-21 12:17:48 +0200 | [diff] [blame] | 45 | # The device name is extended with @name, using thread number to |
| 46 | # make then unique, but any name will do. |
| 47 | dev=${DEV}@${thread} |
| 48 | |
| 49 | # Add remove all other devices and add_device $dev to thread |
Igor Russkikh | c8fd485 | 2021-03-11 11:32:53 +0100 | [diff] [blame] | 50 | [ -z "$APPEND" ] && pg_thread $thread "rem_device_all" |
Jesper Dangaard Brouer | 282fb58 | 2015-05-21 12:17:48 +0200 | [diff] [blame] | 51 | pg_thread $thread "add_device" $dev |
| 52 | |
| 53 | # Notice config queue to map to cpu (mirrors smp_processor_id()) |
| 54 | # It is beneficial to map IRQ /proc/irq/*/smp_affinity 1:1 to CPU number |
| 55 | pg_set $dev "flag QUEUE_MAP_CPU" |
| 56 | |
| 57 | # Base config of dev |
| 58 | pg_set $dev "count $COUNT" |
| 59 | pg_set $dev "clone_skb $CLONE_SKB" |
| 60 | pg_set $dev "pkt_size $PKT_SIZE" |
| 61 | pg_set $dev "delay $DELAY" |
| 62 | |
| 63 | # Flag example disabling timestamping |
| 64 | pg_set $dev "flag NO_TIMESTAMP" |
| 65 | |
| 66 | # Destination |
| 67 | pg_set $dev "dst_mac $DST_MAC" |
Daniel T. Lee | 40f843e | 2019-10-05 17:25:09 +0900 | [diff] [blame] | 68 | pg_set $dev "dst${IP6}_min $DST_MIN" |
| 69 | pg_set $dev "dst${IP6}_max $DST_MAX" |
Jesper Dangaard Brouer | 282fb58 | 2015-05-21 12:17:48 +0200 | [diff] [blame] | 70 | |
Daniel T. Lee | 6e32a74 | 2019-06-29 22:33:58 +0900 | [diff] [blame] | 71 | if [ -n "$DST_PORT" ]; then |
| 72 | # Single destination port or random port range |
| 73 | pg_set $dev "flag UDPDST_RND" |
Daniel T. Lee | 723d290 | 2019-10-05 17:25:06 +0900 | [diff] [blame] | 74 | pg_set $dev "udp_dst_min $UDP_DST_MIN" |
| 75 | pg_set $dev "udp_dst_max $UDP_DST_MAX" |
Daniel T. Lee | 6e32a74 | 2019-06-29 22:33:58 +0900 | [diff] [blame] | 76 | fi |
| 77 | |
Jesper Dangaard Brouer | 282fb58 | 2015-05-21 12:17:48 +0200 | [diff] [blame] | 78 | # Setup random UDP port src range |
| 79 | pg_set $dev "flag UDPSRC_RND" |
Daniel T. Lee | 723d290 | 2019-10-05 17:25:06 +0900 | [diff] [blame] | 80 | pg_set $dev "udp_src_min $UDP_SRC_MIN" |
| 81 | pg_set $dev "udp_src_max $UDP_SRC_MAX" |
Jesper Dangaard Brouer | 282fb58 | 2015-05-21 12:17:48 +0200 | [diff] [blame] | 82 | done |
| 83 | |
Igor Russkikh | c8fd485 | 2021-03-11 11:32:53 +0100 | [diff] [blame] | 84 | if [ -z "$APPEND" ]; then |
| 85 | # start_run |
| 86 | echo "Running... ctrl^C to stop" >&2 |
| 87 | pg_ctrl "start" |
| 88 | echo "Done" >&2 |
Jesper Dangaard Brouer | 282fb58 | 2015-05-21 12:17:48 +0200 | [diff] [blame] | 89 | |
Igor Russkikh | c8fd485 | 2021-03-11 11:32:53 +0100 | [diff] [blame] | 90 | # Print results |
| 91 | for ((thread = $F_THREAD; thread <= $L_THREAD; thread++)); do |
| 92 | dev=${DEV}@${thread} |
| 93 | echo "Device: $dev" |
| 94 | cat /proc/net/pktgen/$dev | grep -A2 "Result:" |
| 95 | done |
| 96 | else |
| 97 | echo "Append mode: config done. Do more or use 'pg_ctrl start' to run" |
| 98 | fi |